<div class="chart-tooltip"
  ng-class="{ 'tooltip-enabled': tooltip.enabled }"
  ng-style="tooltip.style">
  <span class="fa {$ ::tooltip.icon $}"
    ng-class="tooltip.iconClass"
    ng-style="{ color: tooltip.iconColor }"></span>
  <span class="tooltip-key">{$ tooltip.label $}</span>
  <span class="tooltip-value">{$ tooltip.value $}</span>
</div>